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c087e62b84
git-svn-id: file:///Volumes/Transfer/gigaleak_20231201/2020-09-30%20-%20paladin.7z/paladin/ctr_firmware@181 b871894f-2f95-9b40-918c-086798483c85
105 lines
2.5 KiB
C
105 lines
2.5 KiB
C
/*---------------------------------------------------------------------------*
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Project: CtrBrom - OS
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File: os_boot.c
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Copyright 2009 Nintendo. All rights reserved.
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These coded instructions, statements, and computer programs contain
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proprietary information of Nintendo of America Inc. and/or Nintendo
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Company Ltd., and are protected by Federal copyright law. They may
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not be disclosed to third parties or copied or duplicated in any form,
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in whole or in part, without the prior written consent of Nintendo.
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$Date:: $
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$Rev$
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$Author$
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*---------------------------------------------------------------------------*/
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#include <brom/os.h>
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#include <brom/mi.h>
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void i_osBootCore( OSEntryPoint p );
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/*---------------------------------------------------------------------------*
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Name: i_osFinalize
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Description: finalize
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Arguments: None
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Returns: None
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*---------------------------------------------------------------------------*/
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void i_osFinalize(void)
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{
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(void)osDisableInterrupts();
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osDisableDCache();
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osFlushDCacheAll();
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osWaitWriteBufferEmpty();
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osDisableICache();
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osInvalidateICacheAll();
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#ifdef SDK_ARM11
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osInvalidateInstPrefetchBuffer();
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osInvalidateBCacheAll();
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#else // SDK_ARM9
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reg_OS_IE = 0;
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reg_OS_IF = 0xffffffff;
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i_osFinalizeProtectionUnit();
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#endif // SDK_ARM9
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}
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/*---------------------------------------------------------------------------*
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Name: i_osClearWorkArea
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Description: clear work area
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Arguments: None
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Returns: None
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*---------------------------------------------------------------------------*/
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asm void i_osClearWorkArea( void )
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{
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INASM_EXTERN( |Image$$RW$$Base| )
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INASM_EXTERN( |Image$$ZI$$ZI$$Limit| )
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CODE32
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mov r11, lr
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// clear stack with r4-r9
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mov r0, #0
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ldr r1, =|Image$$RW$$Base|
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ldr r2, =|Image$$ZI$$ZI$$Limit|
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sub r2, r2, r1
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bl i_miCpuClearFast
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bx r11
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}
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// internal
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asm void i_osBootCore( OSEntryPoint p )
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{
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INASM_EXTERN( i_miCpuClearFast )
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CODE32
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mov r11, r0
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// clear stack with r4-r9
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mov r0, #0
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ldr r1, =HW_BROM_STACK
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ldr r2, =HW_BROM_STACK_SIZE
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bl i_miCpuClearFast
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mov lr, r11
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// clear registers
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ldr sp, =HW_BROM_STACK
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ldmia sp, {r0-r12,sp}
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bx lr
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}
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